<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <!-- <span slot="before">共166条记录</span> -->
        <template v-slot:before>
          <span slot="before">共{{ page.total }}条记录</span>
        </template>
        <template slot="after">
          <el-button
            size="small"
            type="warning"
            @click="$router.push('/import?type=user')"
            >导入</el-button
          >
          <el-button size="small" type="danger" @click="exportData"
            >导出</el-button
          >
          <el-button
            :disabled="!checkPermission('POINT-USER-ADD')"
            size="small"
            type="primary"
            @click="showDialog = true"
            >新增员工</el-button
          >
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card v-loading="loading">
        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index" />
          <el-table-column label="姓名" sortable="" prop="username" />
          <el-table-column label="工号" sortable="" prop="workNumber" />
          <el-table-column label="头像" align="center">
            <template v-slot="{ row }">
              <img
                v-imagerror="require('@/assets/common/head.jpg')"
                :src="row.staffPhoto"
                alt=""
                style="
                  border-radius: 50%;
                  width: 100px;
                  height: 100px;
                  padding: 10px;
                "
                @click="showQrCode(row.staffPhoto)"
              />
            </template>
          </el-table-column>
          <el-table-column
            label="聘用形式"
            sortable=""
            :formatter="formatEmployment"
            prop="formOfEmployment"
          />
          <el-table-column label="部门" sortable="" prop="departmentName" />
          <el-table-column label="入职时间" sortable="" align="center">
            <!-- 作用域插槽 -->
            <template slot-scope="{ row }">{{
              row.timeOfEntry | formatDate
            }}</template>
          </el-table-column>
          <el-table-column label="账户状态" prop="enableState" sortable="">
            <template v-slot="{ row }">
              <el-switch :value="row.enableState === 1" />
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template slot-scope="{ row }">
              <el-button
                type="text"
                size="small"
                @click="$router.push(`employees/detail/${row.id}`)"
                >查看</el-button
              >
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)"
                >角色</el-button
              >
              <el-button type="text" size="small" @click="delEmployee(row.id)"
                >删除</el-button
              >
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row
          type="flex"
          justify="center"
          align="middle"
          style="height: 60px"
        >
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
    </div>
    <!-- 放置组件弹层 -->
    <!-- sync修饰符 是 自组件 去改变父组件的数据的一个语法糖 -->
    <add-employee :show-dialog.sync="showDialog" />
    <el-dialog title="二维码" :visible.sync="showCodeDialog">
      <el-row type="flex" justify="center">
        <canvas ref="myCanvas" />
      </el-row>
    </el-dialog>
    <!-- 放置分配组件 -->
    <assign-role
      ref="assignRole"
      :show-role-dialog.sync="showRoleDialog"
      :user-id="userId"
    />
  </div>
</template>

<script>
import { formatDate } from "@/filters";
import { getEmployeeList, delEmployee } from "@/api/employees";
import EmployeeEnum from "@/api/constant/employees"; // 引入员工的枚举对象
import AddEmployee from "./components/add-employee.vue";
import AssignRole from "./components/assign-role";
import QrCode from "qrcode";
export default {
  components: {
    AddEmployee,
    AssignRole,
  },
  data() {
    return {
      list: [], // 接收数组
      page: {
        page: 1,
        size: 10,
        total: 0, // 总数
      },
      loading: false, //遮罩
      showDialog: false, // 默认是关闭的弹层
      showCodeDialog: false, // 显示二维码弹层
      showRoleDialog: false, // 显示分配角色弹层
      userId: null, // 定义一个userId
    };
  },
  created() {
    this.getEmployeeList();
  },
  methods: {
    showQrCode(url) {
      // url存在的情况下 才弹出层
      if (url) {
        this.showCodeDialog = true; // 数据更新了 但是我的弹层会立刻出现吗 ？页面的渲染是异步的！！！！
        // 有一个方法可以在上一次数据更新完毕，页面渲染完毕之后
        this.$nextTick(() => {
          // 此时可以确认已经有ref对象了
          QrCode.toCanvas(this.$refs.myCanvas, url); // 将地址转化成二维码
          // 如果转化的二维码后面信息 是一个地址的话 就会跳转到该地址 如果不是地址就会显示内容
        });
      } else {
        this.$message.warning("该用户还未上传头像");
      }
    },
    async getEmployeeList() {
      this.loading = true;
      let { total, rows } = await getEmployeeList(this.page);
      this.page.total = total;
      this.list = rows;
      this.loading = false;
    },
    changePage(newPage) {
      this.page.page = newPage;
      this.getEmployeeList();
    },
    formatEmployment(row, column, cellValue, index) {
      // 要去找 1所对应的值
      const obj = EmployeeEnum.hireType.find((item) => item.id === cellValue);
      return obj ? obj.value : "未知";
    },
    async delEmployee(id) {
      try {
        await this.$confirm("确定删除该员工吗?");
        //点击了确定走下方
        await delEmployee(id);
        this.$message.success("删除员工成功");
        this.getEmployeeList(); //拉取数据
      } catch (error) {
        console.log(error);
      }
    },
    //导出excel
    exportData() {
      const headers = {
        姓名: "username",
        手机号: "mobile",
        入职日期: "timeOfEntry",
        聘用形式: "formOfEmployment",
        转正日期: "correctionTime",
        工号: "workNumber",
        部门: "departmentName",
      };
      // 导出excel
      import("@/vendor/Export2Excel").then(async (excel) => {
        //  excel是引入文件的导出对象
        // 导出  header从哪里来
        // data从哪里来
        // 现在没有一个接口获取所有的数据
        // 获取员工的接口 页码 每页条数    100   1 10000
        const { rows } = await getEmployeeList({
          page: 1,
          size: this.page.total,
        });
        const data = this.formatJson(headers, rows); // 返回的data就是 要导出的结构
        const multiHeader = [["姓名", "主要信息", "", "", "", "", "部门"]];
        const merges = ["A1:A2", "B1:F1", "G1:G2"];
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: "员工资料表",
          multiHeader, // 复杂表头
          merges, // 合并选项
        });

        // excel.export_json_to_excel({
        //   header: ['姓名', '工资'],
        //   data: [['张三', 3000], ['李四', 5000]],
        //   filename: '员工工资表'
        // })
        // [{ username: '张三',mobile: 13112345678 }]  => [[]]
        // 要转化 数据结构 还要和表头的顺序对应上
        // 要求转出的标题是中文
      });
    },
    // 将表头数据和数据进行对应
    // [{}]  =>   [[]]
    formatJson(headers, rows) {
      return rows.map((item) => {
        // item是一个对象  { mobile: 132111,username: '张三'  }
        // ["手机号", "姓名", "入职日期" 。。]
        return Object.keys(headers).map((key) => {
          // 需要判断 字段
          if (
            headers[key] === "timeOfEntry" ||
            headers[key] === "correctionTime"
          ) {
            // 格式化日期
            return formatDate(item[headers[key]]);
          } else if (headers[key] === "formOfEmployment") {
            const obj = EmployeeEnum.hireType.find(
              (obj) => obj.id === item[headers[key]]
            );
            return obj ? obj.value : "未知";
          }
          return item[headers[key]];
        });
        // ["132", '张三’， ‘’，‘’，‘’d]
      });
      // return rows.map(item => Object.keys(headers).map(key => item[headers[key]]))
      // 需要处理时间格式问题
    },
    async editRole(id) {
      // 弹出层
      this.userId = id; // props赋值 props赋值渲染异步的
      await this.$refs.assignRole.getUserDetailById(id); // 调用子组件方法 异步方法
      this.showRoleDialog = true; // 弹层
    },
  },
};
</script>

<style></style>
